What is the remainder when is divided by ?

Answer and explanation

Correct answer: A.

  1. Step 1: By the Remainder Theorem, dividing by yields remainder . Here .
  2. Step 2: Substitute : .
  3. Step 3: Evaluate powers: , .
  4. Step 4: Compute: .
Answer
.
Why not the others: '' treats as ; '' treats as ; '' drops the constant .

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